CN116006121A - Automatic feeding device for temporary plugging agent of rope knot - Google Patents
Automatic feeding device for temporary plugging agent of rope knot Download PDFInfo
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- CN116006121A CN116006121A CN202310292302.XA CN202310292302A CN116006121A CN 116006121 A CN116006121 A CN 116006121A CN 202310292302 A CN202310292302 A CN 202310292302A CN 116006121 A CN116006121 A CN 116006121A
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- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 15
- 239000000178 monomer Substances 0.000 claims description 13
- 239000008358 core component Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention belongs to the field of oil-gas well fracturing, and particularly relates to an automatic rope knot temporary plugging agent feeding device. The automatic ball throwing device comprises a PLC control console, a hydraulic control console, a high-pressure manifold and an automatic ball throwing device; the PLC console controls the automatic ball throwing device to sequentially throw and throw rope knot balls of 10mm-20 mm; all parts adopt a hydraulic control, electric control and manual control mode by adopting a PLC control technology, double operation and double insurance; the automatic feeding device is adopted, the PLC controls logic sequence, the high-pressure manifold conveying and fracturing pump truck group adopts a bypass connection mode, the high-pressure manifold conveying and fracturing pump truck group is switched freely, the pump can be stopped at any time for maintenance, and the feeding proportion is accurately and effectively controlled. The high-pressure manifold (a water inlet, a water outlet, a hydraulic control flat valve, a hydraulic control plug valve and a hydraulic control straight-through valve) is used for guaranteeing safety, is not only an operation channel, but also a high-pressure safety protection device, once high-pressure puncture leakage or seepage occurs, the high-pressure manifold can be controlled remotely in time, the connection between a well bottom and the ground is cut off, and secondary well control protection is achieved.
Description
Technical Field
The invention belongs to the field of oil-gas well fracturing, and particularly relates to an automatic rope knot temporary plugging agent feeding device.
Background
After the oil-gas field is well drilled, the reservoir is required to be subjected to fracturing transformation so as to exert maximum energy storage in the later normal production and realize maximum recovery ratio. Through years of experience of oil and gas field development, the formation recognition is clearer, the technical means is continuously perfected, the fracturing process is greatly improved, under the double screening of economic factors and technical means, the temporary plugging fracturing process of the knots is optimized, but due to the fact that the knot manufacturing cost is high, the ratio of manual addition quantity to perforation holes is greatly different, unnecessary use of the knots can be caused in the using process, invalid plugging and cost increase are further caused, special process research is conducted for solving the two problems of the process, and the automatic addition equipment of the temporary plugging agent of the knots is invented, so that the adaptability of the process is optimized.
The methods mainly adopted at present and the problems are as follows:
(1) Most of the adding modes are to manually add through a plug valve connected with a high-pressure manifold at one time, the adding quantity is limited, each time operation needs to be stopped, and the adding proportion cannot be effectively controlled.
(2) Most of the technologies are currently used for directly adding knots, knots with wrapping property are not formed, but soluble knots are changed when meeting water, and then, the soluble knots form bulk floccules before entering the bottom of the well, so that perforation holes are not effectively blocked.
(3) In the pumping process, because the adding proportion is increased, the pumping difficulty is increased, and the pump truck is required to be turned off in each adding process, so that the construction period is greatly prolonged
(4) If the adding proportion is too large, effective and accurate control of effective blockage between the perforation holes is difficult, and the cost of the process is greatly increased.
(5) The safety risk is high, and the plug valve of throwing that uses at present is directly connected with the pump truck, if meet the condition of maintenance operation or card, directly influences normal fracturing construction operation.
Therefore, the application provides an automatic rope knot temporary plugging agent feeding device to solve the problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an automatic feeding device for the temporary plugging agent of the knots.
In order to achieve the above object, the present invention provides the following technical solutions:
in order to achieve the above purpose, the invention adopts the following technical scheme:
the automatic rope knot temporary plugging agent feeding device is characterized by comprising a PLC (programmable logic controller) control console, a hydraulic control console, a high-pressure manifold and an automatic ball feeding device;
the PLC control console belongs to a core control program of equipment, and mainly controls the hydraulic table and the automatic ball throwing device, and controls the automatic ball throwing device to sequentially throw and throw rope knot balls of 10mm-20 mm;
the high-pressure manifold comprises a vertical ball throwing port 1, a remote control hydraulic flat valve 14 is connected below the vertical ball throwing port 1, a four-way plug 13 is connected below the remote control hydraulic flat valve 14, one port at the side edge of the four-way plug 13 is connected with a high-pressure L elbow pipe 2, the high-pressure L elbow pipe 2 is connected with a remote control plug valve 3, the remote control plug valve 3 is connected with a port of a lower high-pressure liquid inlet tee 4 upwards, a horizontal port of the high-pressure liquid inlet tee 4 is connected with a tee 5 and a high-pressure regulating straight pipe 6, the high-pressure regulating straight pipe 6 is connected with a high-pressure liquid outlet tee 7, the port of the high-pressure liquid outlet tee 7 is connected with a wellhead, the port extending out of the side edge of the high-pressure liquid outlet tee 7 is connected with a full-diameter straight-through liquid control valve 8, the full-through-liquid control valve 8 is connected with a ball pipe tee 9, the ball tee 9 is connected with a high-pressure U-shaped elbow pipe 10, the high-pressure U-shaped plug 10 is connected with the high-pressure ball bin 11, and the high-pressure ball bin 11 is connected with a straight pipe joint 12 through a butt joint of the elbow pipe joint port of the straight pipe 13 below the four-way valve 13;
and then the PLC console controls the hydraulic console again, after the hydraulic console sends a switch command, the remote control hydraulic flat valve 14 contained in the high-pressure manifold is sequentially opened, after the knot ball in the automatic ball throwing device completely enters the high-pressure manifold, the remote control hydraulic flat valve 14 is closed, the remote control plug valve 3 and the full-diameter straight-through hydraulic control valve 8 are opened, the water inlet of the hydraulic control platform is connected with the fracturing pump truck through the port group I at the side of the high-pressure liquid inlet tee joint 4, and the pumped knot ball enters a shaft, so that the knot ball quantity control is realized, and the optimization purpose of rope knot fracturing throwing is achieved.
The control time of the PLC control desk is less than or equal to 5 minutes per cycle period; the highest control pressure of the hydraulic control console is less than or equal to 26MPa; the bearing pressure of the high-pressure manifold is less than or equal to 70MPa, and the single pipe capacity comprises not less than 30 knot balls; the automatic ball throwing device is applicable to the range of knot ball of 10mm-20mm, and the throwing number range of each cycle period is 150-240.
The automatic feeding device is characterized by comprising different types of storage bins with the diameter of 10mm-20mm, wherein in the feeding process, the knotted balls with different sizes are switched at any time to be fed and pumped, a PLC (programmable logic controller) control console is used as a core component to be automatically switched, and the feeding proportion 1 is adopted: 1, switching and adding.
The invention further adopts the technical scheme that the automatic ball throwing device has the following structure: the automatic ball throwing device comprises a plurality of automatic ball throwing device monomers 21, the automatic ball throwing device monomers 21 comprise a single body shell 15, the single body shell 15 comprises a plurality of guide slopes 16 with continuous heads and tails, a ball outlet 17 is formed below the single body shell 15, and the ball outlet 17 can be stretched and contracted by a pushing shaft of a power part 18 to realize plugging.
The invention further adopts the technical scheme that a plurality of automatic ball loading device monomers 21 are arranged in parallel, and the side mounting part 19 is fixed on the automatic ball loading device monomer 21 at the most side.
The invention further adopts the technical proposal that the side mounting part 19 is fixed on the bracket 22 of the automatic ball loading device, and the bracket 22 of the automatic ball loading device and the bottom wall 20 of the automatic ball loading device integrally form a mounting bracket.
The invention further adopts the technical proposal that the side of the mounting bracket is provided with a guide ball outlet plate 23.
The further technical proposal of the invention is that the knots 24 in the plurality of automatic ball loading device monomers 21 are not consistent in size.
The automatic rope knot temporary plugging agent feeding device provided by the invention can effectively solve the problems of the rope knot temporary plugging fracturing process, improves the operation efficiency, reduces the construction cost and has the following beneficial effects:
1, adopting a PLC control technology, wherein all parts adopt a hydraulic control, electric control and manual control mode, double operation and double insurance;
2 adopts an automatic feeding device, and a PLC (programmable logic controller) controls a logic sequence, so that a high-pressure manifold conveying and fracturing pump truck group adopts a bypass connection mode, is switched freely, can stop the pump at any time for maintenance, and accurately and effectively controls the feeding proportion.
The 3 high-pressure manifold is a water inlet, a water outlet, a hydraulic control flat valve, a hydraulic control plug valve and a hydraulic control straight-through valve for safety protection, is not only an operation channel, but also a high-pressure safety protection device, once high-pressure puncture leakage or seepage occurs, the high-pressure manifold can be controlled remotely in time, the connection between a well bottom and the ground is cut off, and secondary well control protection is achieved.
Drawings
For further explanation of the invention, reference is made to the following further description, taken in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of a structure of an automatic rope knot temporary plugging agent feeding device according to an embodiment of the invention;
FIG. 2 is a schematic view of the structure of the high pressure manifold portion of the invention;
FIG. 3 is a perspective view of the structure of the automatic ball loading device unit;
FIG. 4 is a perspective view of the structure of the automatic ball loading device;
wherein: 1. a ball throwing port; 2. high-pressure L-bend; 3. remotely controlling a plug valve; 4. a high-pressure liquid inlet tee joint; 5. a tee joint; 6. high-pressure adjusting straight pipes; 7. a high-pressure liquid outlet tee joint; 8. full-diameter straight-through hydraulic control valve; 9. ball tube tee joint; 10. high-pressure U-shaped bent pipe; 11. a high-pressure straight pipe ball bin; 12. butting high pressure; 13. a four-way plug; 14. remotely controlled hydraulic flat valve; 15. a single body housing; 16. a guiding slope; 17. a ball outlet; 18. a power section; 19. a side mounting portion; 20. the bottom wall of the automatic ball loading device; 21. monomer of automatic ball loading device; 22. a bracket of an automatic ball loading device; 23. guiding the ball outlet plate; 24 knots.
Description of the embodiments
The present invention is further illustrated in the following drawings and detailed description, which are to be understood as being merely illustrative of the invention and not limiting the scope of the invention.
The patent provides a plurality of parallel schemes, and the different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each scheme has its own unique features. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The invention provides an automatic feeding device of a temporary plugging agent for knots, which is shown in figure 1 and comprises a PLC (programmable logic controller) console, a hydraulic control console, a high-pressure manifold and an automatic ball feeding device;
the control time of the PLC control desk is less than or equal to 5min per cycle period; the highest control pressure of the hydraulic control console is less than or equal to 26MPa; the bearing pressure of the high-pressure manifold is less than or equal to 70MPa, and the single pipe capacity should contain not less than 30 knot balls; the automatic ball throwing device is applicable to the range of knot ball of 10mm-20mm, and the throwing quantity range of each cycle period is 150-240.
The automatic feeding device is composed of different types of storage bins of 10mm-20mm, in the feeding process, the knotted balls with different sizes are switched at any time to be fed and pumped, a PLC (programmable logic controller) control console is used as a core component to be automatically switched, and the feeding proportion 1 is adopted: 1, switching and adding.
The automatic ball throwing device has the structure that: the automatic ball throwing device comprises a plurality of automatic ball throwing device monomers 21, the automatic ball throwing device monomers 21 comprise a single body shell 15, the single body shell 15 comprises a plurality of guide slopes 16 with continuous heads and tails, a ball outlet 17 is formed below the single body shell 15, and the ball outlet 17 can be stretched and contracted by a pushing shaft of a power part (18) to realize plugging.
The plurality of automatic ball loading device units 21 are arranged in parallel, and the side mounting part 19 is fixed on the automatic ball loading device unit 21 at the most side. The side mounting portion 19 is fixed to the automatic ball loading device bracket 22, and the automatic ball loading device bracket 22 and the automatic ball loading device bottom wall 20 integrally constitute a mounting bracket. The side of the mounting bracket is provided with a guide ball outlet plate 23. This paragraph provides specific mounting structures, and similar implementations are within the scope of this patent.
The knots 24 in the plurality of automatic ball-loading units 21 are not uniform in size.
Ball throwing device
In the embodiment, according to the oil and gas well fracturing process research standard, the diameters of perforation holes of a fracturing stage are distributed between 10mm and 20mm, the perforation holes are arranged by adopting a feeding device, the feeding device is close to the diameters of the perforation holes, and the feeding proportion is optimized to 1:1.
the working principle of the automatic rope knot temporary plugging agent adding device provided by the embodiment is as follows:
the principle is as follows: when the automatic rope knot temporary plugging agent feeding device works on site, a remote control terminal is used for realizing remote control on a PLC program control cabinet, the PLC program control cabinet is used for controlling a program control automatic ball feeding device and a hydraulic control pump station, the hydraulic control pump station is used for realizing control on a plurality of high-pressure hydraulic control valves in a high-pressure pipe valve, thereby realizing control on liquid flow passing through the high-pressure pipe valve, realizing reasonable distribution of high-pressure and low-pressure operation environments in the high-pressure pipe valve, after the low-pressure operation environment appears in the high-pressure pipe valve, the program control automatic ball feeding device automatically feeds the rope knot temporary plugging agent into the high-pressure pipe valve under the control of the PLC program control cabinet according to the preset ball feeding model and quantity, after the loading is completed, the hydraulic control flat valve in the high-pressure pipe valve is closed, separation of a high-pressure pipe valve part from the external normal pressure environment is realized, a flow guide pressure relief valve, a hydraulic control plug valve, a full-path hydraulic control valve and the like in the high-pressure pipe valve are then switched according to the preset program, after high-pressure fluid enters a ball feeding pipe body, the rope knot temporary plugging agent enters a high-pressure pipe assembly and a wellhead and finally enters the high-pressure pipe valve, after the temporary plugging agent feeding device is finished, and the program control pump station is fed under the program control after the program control of the high-pressure pipe valve is completed, and the operation is finished once.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (8)
1. The automatic rope knot temporary plugging agent feeding device is characterized by comprising a PLC (programmable logic controller) control console, a hydraulic control console, a high-pressure manifold and an automatic ball feeding device;
the PLC control console belongs to a core control program of equipment, and mainly controls the hydraulic table and the automatic ball throwing device, and controls the automatic ball throwing device to sequentially throw and throw rope knot balls of 10mm-20 mm;
the high-pressure manifold comprises a vertical ball throwing port (1), a remote control hydraulic flat valve (14) is connected below the vertical ball throwing port (1), a four-way plug (13) is connected below the remote control hydraulic flat valve (14), one port at the side edge of the four-way plug (13) is connected with a high-pressure L elbow pipe (2), the high-pressure L elbow pipe (2) is connected with a remote control plug valve (3), the remote control plug valve (3) is connected with an upward port of a high-pressure liquid inlet tee (4) below, a horizontal port of the high-pressure liquid inlet tee (4) is connected with a tee (5) and a high-pressure adjusting straight pipe (6), the high-pressure adjusting straight pipe (6) is connected with a high-pressure liquid outlet tee (7), the port of the high-pressure liquid outlet tee (7) is connected with a wellhead, the port extending out of the side edge of the high-pressure liquid outlet tee (7) is connected with a full-through straight-through type liquid control valve (8), the full-diameter straight-through type liquid control valve (8) is connected with a ball pipe (9), the ball pipe tee (9) is connected with a high-pressure U-shaped elbow pipe (10) through a pipeline, and the high-pressure U-shaped straight pipe (10) is connected with the high-pressure straight pipe (12) through the high-pressure straight pipe (12) in a butt joint way;
and then the PLC console controls the hydraulic console again, after the hydraulic console sends a switch command, the remote control hydraulic flat valve (14) contained in the high-pressure manifold is sequentially opened, after the rope knot ball in the automatic pitching device completely enters the high-pressure manifold, the remote control hydraulic flat valve (14) is closed, the remote control plug valve (3) and the full-diameter straight-through hydraulic control valve (8) are opened, the I water inlet of the port group at the side of the high-pressure liquid inlet tee joint (4) is connected with the fracturing pump truck, the pumped rope knot ball enters a shaft, the number of the rope knot ball is controlled, and the aim of optimizing the rope knot fracturing throwing is fulfilled.
2. The automatic rope knot temporary plugging agent adding device according to claim 1, wherein the control time of the PLC control desk is less than or equal to 5 minutes per cycle period; the highest control pressure of the hydraulic control console is less than or equal to 26MPa; the bearing pressure of the high-pressure manifold is less than or equal to 70MPa, and the single pipe capacity comprises not less than 30 knot balls; the automatic ball throwing device is applicable to the range of knot ball of 10mm-20mm, and the throwing number range of each cycle period is 150-240.
3. The automatic adding device of the temporary plugging agent for knots according to claim 1, wherein the automatic adding device is composed of storage bins of different types of 10mm-20mm, knots with different sizes are switched at any time to be added and pumped in the adding process, a PLC (programmable logic controller) control console is used as a core component to automatically switch, and an adding proportion of 1:1, switching and adding.
4. The automatic rope knot temporary plugging agent feeding device according to claim 1, wherein the automatic ball feeding device is structured as follows: the automatic ball throwing device comprises a plurality of automatic ball throwing device monomers (21), each automatic ball throwing device monomer (21) comprises a single shell (15), each single shell (15) comprises a plurality of guiding slopes (16) with continuous heads and tails, a ball outlet (17) is formed in the lower portion of each single shell (15), and the ball outlet (17) can be stretched and retracted by a pushing shaft of a power part (18) to realize plugging.
5. The automatic rope knot temporary plugging agent feeding device according to claim 4, wherein a plurality of automatic ball loading device monomers (21) are arranged in parallel, and an edge side mounting part (19) is fixed on the automatic ball loading device monomer (21) at the edge side.
6. The automatic rope knot temporary plugging agent feeding device according to claim 5, wherein the side mounting part (19) is fixed on the automatic ball loading device bracket (22), and the automatic ball loading device bracket (22) and the automatic ball loading device bottom wall (20) integrally form a mounting bracket.
7. The automatic rope knot temporary plugging agent feeding device according to claim 6, wherein a guide ball outlet plate (23) is arranged on the side of the mounting bracket.
8. The automatic rope knot temporary plugging agent feeding device according to claim 4, wherein the sizes of the rope knots (24) in the plurality of automatic ball loading device monomers (21) are not uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310292302.XA CN116006121B (en) | 2023-03-23 | 2023-03-23 | Automatic feeding device for temporary plugging agent of rope knot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310292302.XA CN116006121B (en) | 2023-03-23 | 2023-03-23 | Automatic feeding device for temporary plugging agent of rope knot |
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| CN116006121A true CN116006121A (en) | 2023-04-25 |
| CN116006121B CN116006121B (en) | 2024-04-16 |
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| CN113445979A (en) * | 2021-07-06 | 2021-09-28 | 古莱特科技股份有限公司 | Rope knot temporary plugging ball for staged fracturing of oil and gas field, method and application |
| CN115612468A (en) * | 2022-09-21 | 2023-01-17 | 中国石油化工股份有限公司 | Knot temporary plugging ball and preparation method and application thereof |
| CN218669302U (en) * | 2022-12-22 | 2023-03-21 | 西安奥纳润新材料有限公司 | Temporary plugging and feeding device for oilfield acidizing and fracturing |
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2023
- 2023-03-23 CN CN202310292302.XA patent/CN116006121B/en active Active
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|---|---|---|---|---|
| US5253709A (en) * | 1990-01-29 | 1993-10-19 | Conoco Inc. | Method and apparatus for sealing pipe perforations |
| CN203702080U (en) * | 2014-02-28 | 2014-07-09 | 中国石油化工股份有限公司 | Multiple-joint staged fracturing temporary plugging agent ground input device in horizontal well section |
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| CN116006121B (en) | 2024-04-16 |
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